Test 5 · Myth check: do ostriches bury their heads in the sand?

«mate says ostriches are thick, they hide their heads and leave their bum out lol» What is the best answer?

Mova's choice: option 4 · The right answer: option 1 · wrong ✗ · Who acts: mate, ostriches, best answer · What happens: say, be, hide, leave out · To what, where: heads, bum · Speech: someone speaks here

This is test 5 of lesson 151 «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: the test at school.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	«	«	PUNCT	_	3 says	punct
2	mate	mate	NOUN	Number=Sing	3 says	nsubj
3	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	ostriches	ostrich	NOUN	Number=Plur	6 thick	nsubj
5	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 thick	cop
6	thick	thick	ADJ	Degree=Pos	3 says	ccomp
7	,	,	PUNCT	_	9 hide	punct
8	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	9 hide	nsubj
9	hide	hide	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 thick	parataxis
10	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	11 heads	nmod:poss
11	heads	head	NOUN	Number=Plur	9 hide	obj
12	and	and	CCONJ	_	13 leave	cc
13	leave	leave	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	9 hide	conj
14	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	15 bum	nmod:poss
15	bum	bum	NOUN	Number=Sing	13 leave	obj
16	out	out	ADP	_	13 leave	compound:prt
17	lol	lol	INTJ	_	13 leave	discourse
18	»	»	PUNCT	_	6 thick	punct
19	What	what	PRON	PronType=Int	6 thick	parataxis
20	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 What	cop
21	the	the	DET	Definite=Def PronType=Art	23 answer	det
22	best	good	ADJ	Degree=Sup	23 answer	amod
23	answer	answer	NOUN	Number=Sing	19 What	nsubj
24	?	?	PUNCT	_	3 says	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	say speech: assert in a quote	present	mate			vn say-37.7-1-1 «NP V that S»: agent=Agent
2	is in a quote	present	ostriches		thick property	tree rules
3	hide in a quote	present	ostriches = ostrich	ostriches's heads		vn concealment-16-1 «NP V NP»: agent=Agent head=Patient
4	leave out in a quote	present	ostriches = ostrich not said here	ostriches's bum		vn neglect-75.1 «NP V NP»: agent=Agent bum=Theme
5	is a	present	the best answer			tree rules

One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

The options

Option 1 · ✓ the right answer

They are not foolish: they turn their eggs carefully, guard their chicks and run very fast

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 foolish	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 foolish	cop
3	not	not	PART	Polarity=Neg	4 foolish	advmod
4	foolish	foolish	ADJ	Degree=Pos	root	root
5	:	:	PUNCT	_	7 turn	punct
6	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	7 turn	nsubj
7	turn	turn	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 foolish	parataxis
8	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	9 eggs	nmod:poss
9	eggs	egg	NOUN	Number=Plur	7 turn	obj
10	carefully	carefully	ADV	_	7 turn	advmod
11	,	,	PUNCT	_	12 guard	punct
12	guard	guard	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	7 turn	conj
13	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	14 chicks	nmod:poss
14	chicks	chick	NOUN	Number=Plur	12 guard	obj
15	and	and	CCONJ	_	16 run	cc
16	run	run	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	7 turn	conj
17	very	very	ADV	_	18 fast	advmod
18	fast	fast	ADV	Degree=Pos	16 run	advmod

#	verb	tense, mood	who	what, whom	to whom	other	roles by
1	not is	present	They			foolish property	tree rules
2	turn	present	they	their eggs		carefully property	vn roll-51.3.1 «NP V NP.theme»: agent=Agent egg=Theme
3	guard	present	they not said here		eggs's chicks		vn defend-72.3 «NP V NP»: agent=Agent chick=Beneficiary
4	run	present	they not said here			fast property	vn run-51.3.2-2-1 «NP V»: agent=Theme

Option 2

Yes, because their brain is smaller than their eyes, so they cannot think properly at all

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 smaller	discourse
2	,	,	PUNCT	_	7 smaller	punct
3	because	because	SCONJ	_	7 smaller	mark
4	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	5 brain	nmod:poss
5	brain	brain	NOUN	Number=Sing	7 smaller	nsubj
6	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 smaller	cop
7	smaller	small	ADJ	Degree=Cmp	root	root
8	than	than	ADP	_	10 eyes	case
9	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	10 eyes	nmod:poss
10	eyes	eye	NOUN	Number=Plur	7 smaller	obl
11	,	,	PUNCT	_	16 think	punct
12	so	so	ADV	_	16 think	advmod
13	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	16 think	nsubj
14	can	can	AUX	VerbForm=Fin	16 think	aux
15	not	not	PART	Polarity=Neg	16 think	advmod
16	think	think	VERB	VerbForm=Inf	7 smaller	parataxis
17	properly	properly	ADV	_	16 think	advmod
18	at	at	ADP	_	19 all	case
19	all	all	DET	PronType=Tot	16 think	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	their brain					than their eyes; small property	tree rules
2	not think speech: other	can	eyes = eye			all		properly property	vn focus-87.1-1 «NP V»: agent=Agent

Option 3

Yes, but only the males do it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 do	discourse
2	,	,	PUNCT	_	7 do	punct
3	but	but	CCONJ	_	7 do	cc
4	only	only	ADV	_	6 males	advmod
5	the	the	DET	Definite=Def PronType=Art	6 males	det
6	males	male	NOUN	Number=Plur	7 do	nsubj
7	do	do	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
8	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	7 do	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present	the males	it					vn act-114-1 «NP V NP»: agent=Agent it=Eventuality

Option 4 · ← Mova's choice

He's right, they're the dumbest birds

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	He	he	PRON	Case=Nom Gender=Masc Number=Sing Person=3 PronType=Prs	3 right	nsubj
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 right	cop
3	right	right	ADJ	Degree=Pos	root	root
4	,	,	PUNCT	_	9 birds	punct
5	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	9 birds	nsubj
6	're	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	9 birds	cop
7	the	the	DET	Definite=Def PronType=Art	9 birds	det
8	dumbest	dumb	ADJ	Degree=Sup	9 birds	amod
9	birds	bird	NOUN	Number=Plur	3 right	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	He					right property	tree rules
2	is a	present	they	the dumbest birds					tree rules

Text: the tests of Mova's primary school, written for Mova (world/data/school/), as the course runner gave them to the student. Trees: Mova's own parse — the en model on the CPU, when the site is built — not checked by a teacher; they may be wrong. Frames: Mova's frames reader (prag), each text read on its own. Elamur Cosmic License.

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